| 21. | Three basins are associated with each lock chamber.
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| 22. | The new lock chambers feature sliding gates, doubled for safety, and are long, wide, and deep.
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| 23. | The 1828 design originally filled the lock chamber through the use of culverts in the lock masonry.
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| 24. | The lock chamber was long and wide.
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| 25. | The lower gages had horizontal butterfly valves in size which were used for emptying the lock chamber.
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| 26. | Two flash locks were constructed and the date 1717 is visible on one of these lock chambers.
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| 27. | A navigable sluice was constructed at Turnbridgedike, including a lock chamber which was and 17 discharge gates, each.
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| 28. | Cross culverts branch off from these main culverts, running under the lock chambers to openings in the floors.
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| 29. | Were this change done in a single lock chamber, the water volume lost would be three times as much.
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| 30. | Each lock chamber will have three water-saving basins, which will reuse 60 % of the water in each transit.
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